feat: parse project metadata from PF links

app/services/monitor.py

@@ -189,6 +189,43 @@ def add_competitor_url(db: Session, project: Project, url: str) -> tuple[Competi
     return listing, ""
 
 
+def parse_our_listing_url(url: str) -> dict:
+    """Parse our own PF listing for project metadata.
+
+    Used by the Go API before project validation, so users can paste only the
+    concrete object URL and let the service fill price/permit/building/area.
+    """
+    url = (url or "").strip()
+    if not url:
+        raise ValueError("URL пустой")
+    source = detect_source_from_url(url)
+    if source is None:
+        raise ValueError("URL должен быть с propertyfinder.ae или bayut.com")
+    if source == Source.BAYUT and not BAYUT_ENABLED:
+        raise ValueError(
+            "Bayut временно не поддерживается — площадка перешла на защищённый "
+            "рендеринг. Используйте ссылку PropertyFinder."
+        )
+    if not _is_supported_listing_url(source, url):
+        raise ValueError("Укажите ссылку на конкретное объявление, а не на страницу поиска")
+
+    scraped = _scraper_for(source).fetch_listing(url)
+    if scraped is None:
+        raise ValueError("Не удалось загрузить страницу — сайт мог заблокировать запрос, попробуйте позже")
+    if not scraped.is_active:
+        raise ValueError("Страница объявления вернула 404 — ссылка битая или объявление снято")
+
+    return {
+        "title": scraped.title,
+        "our_price": scraped.price,
+        "dld_permit": scraped.permit_number,
+        "building": scraped.building,
+        "bedrooms": scraped.bedrooms,
+        "size_sqft": scraped.size_sqft,
+        "currency": scraped.currency or "AED",
+    }
+
+
 def add_competitor_urls(db: Session, project: Project, urls: list[str]) -> dict:
     """Add several pasted/selected URLs in one go (used by the suggest page's
     multi-select). Processes them sequentially — each one re-fetches the page —
@@ -421,6 +458,12 @@ def refresh_our_listing(db: Session, project: Project, *, now: datetime | None =
     changed: list[str] = []
     if scraped.permit_number and not project.dld_permit:
         project.dld_permit = scraped.permit_number
+    if scraped.building and not project.building:
+        project.building = scraped.building
+    if scraped.bedrooms is not None and project.bedrooms is None:
+        project.bedrooms = scraped.bedrooms
+    if scraped.size_sqft is not None and project.size_sqft is None:
+        project.size_sqft = scraped.size_sqft
 
     old_price = project.our_price
     new_price = scraped.price